\begin{tikzpicture}
	\node (knl) [bluebox]                              {Kernel binary};
	\node (sub) [bluebox, left=of knl]                 {Subject binaries};
	\node (pag) [bluebox, left=of sub]                 {Page tables};
	\node (bit) [bluebox, right=of knl]                {Bitmaps};
	\node (skp) [apribox, below=of knl, xshift=-1.5cm] {skpacker};
	\node (spe) [bluebox, left=of skp]                 {Packer spec};
	\node (sys) [greenbox, below=of skp]               {System image};

	\draw[arrow] (pag) to (skp);
	\draw[arrow] (sub) to (skp);
	\draw[arrow] (knl) to (skp);
	\draw[arrow] (bit) to (skp);
	\draw[arrow] (skp) to (sys);
	\draw[arrow] (spe) to (skp);
\end{tikzpicture}
